Table 1. Demographic and preoperative clinical characteristics of patients diagnosed with aortic dissection.

Variable	All (n=32)			CABG + PCS (n=16)			PCS (n=16)
	n	%	Mean±SD	n	%	Mean±SD	n	%	Mean±SD	p
Age (year)			60.1±8.9			60.6±8.6			59.6±9.4	0,77
Male	16	50		8	50		8	50		1
Hypertension	22	68,8		8	50		14	87,5		0,02
Creatinine level			1.8±0.7			1.6±0.6			2.09±0.7	0,09
COPD	11	34,4		5	31,2		6	37,5		0,71
Ejection fraction			44.5±6.7			42.1±6.4			47.06±6.2	0,03
Body mass index			30.9±4.4			30.5±4.3			31.3±4.7	0,61
Ascending aortic diameter (mm)			44.6±6.5			41.6±7.0			47.6±4.4	0,07
Interval to aortic dissection (year)			4.2±1.5			3.8±0.9			4.6±1.8	0,22
Typical chest pain	16	50		6	37,5		10	62,5		0,15
Stroke	4	12,5		1	6,2		3	18,8		0,6
Pericardial tamponade	4	12,5		2	12,5		2	12,5		1
SD: Standard deviation; COPD: Chronic obstructive pulmonary disease; CABG: Coronary artery bypass grafting; PCS: Primary cardiac surgery.